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Performance Study about Electro-spark Depositing DK460UF Coating on Surface of Turning Tool

摘要:DK460UF is deposited on the surface of 9341 high-speed steel by DZ-4000(Ⅲ ) multifunctional surface hardening machine which use argon as shielding gas.They occur metallurgical reaction by electro-spark deposition technology to make electro-spark deposition migrate to the surface of the tool and form high-performance deposition layer with a strong and stable binding force of matrix.Under the process parameters: 2min,80V,3000Hz,150μF,obtain the deposited layer which has no obvious defects such as micro-cracks and bubbles,thickness 89μm,microhardness 1487.5Hv.No clear boundaries exist in the deposited layer and the substrate.Transition zone thickness is greater than 20μm.
会议名称:

Mechanical Engineering and Material Science—2012 International Conference on Mechanical Engineering and Material Science(MEMS 2012)

会议时间:

2012-12-28

会议地点:

中国上海

  • 专辑:

    工程科技Ⅰ辑

  • 专题:

    金属学及金属工艺

  • 分类号:

    TG174.44

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